The game gets stuck when checking for updates:

1. Check that your internet connection is working ok2. Closed the launcher and re-open it to restart the process3. Launch the install file (the MSI you downloaded from RSChroncle.com) again and choose the repair option if possible4. Uninstall the game and then reinstall from the MSI that you downloaded previously5. Re-download the client from RSChronicle.com